diff --git a/.gitea/workflows/build_RC.yml b/.gitea/workflows/build_RC.yml
new file mode 100644
index 00000000..1a0b4b7d
--- /dev/null
+++ b/.gitea/workflows/build_RC.yml
@@ -0,0 +1,100 @@
+name: Build Baron SSO RC
+
+on:
+  workflow_dispatch:
+    inputs:
+      version_tag:
+        description: "The version tag to release to staging (e.g., v1.2601.1)"
+        required: true
+        type: string
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: sudo apt-get update && sudo apt-get install -y jq curl
+
+      - name: Login to Docker Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ vars.HARBOR_ENDPOINT }}
+          username: ${{ vars.HARBOR_ROBOT_ACCOUNT }}
+          password: ${{ secrets.HARBOR_ROBOT_KEY }}
+
+      - name: Calculate next RC tag
+        id: rc_calculator
+        env:
+          INPUT_TAG: ${{ github.event.inputs.version_tag }}
+          REGISTRY_URL: ${{ vars.HARBOR_ENDPOINT }}
+          HARBOR_USER: ${{ vars.HARBOR_ROBOT_ACCOUNT }}
+          HARBOR_PASSWORD: ${{ secrets.HARBOR_ROBOT_KEY }}
+        run: |
+          # Generate YYMM dynamically for the new tag
+          CURRENT_YYMM=$(date +'%y%m')
+
+          # Reconstruct the base tag with the current YYMM
+          MAJOR_VERSION=$(echo "${INPUT_TAG}" | cut -d'.' -f1)
+          MINOR_VERSION=$(echo "${INPUT_TAG}" | cut -d'.' -f3)
+          BASE_TAG="${MAJOR_VERSION}.${CURRENT_YYMM}.${MINOR_VERSION}"
+
+          echo "Input tag: ${INPUT_TAG}"
+          echo "Generated dynamic base tag: ${BASE_TAG}"
+
+          # Using the backend repository as the source for RC version calculation
+          API_URL="${REGISTRY_URL}/api/v2.0/projects/baron_sso/repositories/backend/artifacts?sort=-creation_time&page_size=100"
+
+          AUTH_HEADER=$(echo -n "${HARBOR_USER}:${HARBOR_PASSWORD}" | base64)
+          API_RESPONSE=$(curl -s -k -H "Authorization: Basic ${AUTH_HEADER}" "${API_URL}")
+
+          # Define a search pattern to find RCs across different months for the same major/minor version
+          # e.g., matches v1.2508.1-RC, v1.2509.1-RC, etc.
+          SEARCH_PATTERN="^${MAJOR_VERSION}\.[0-9]{4}\.${MINOR_VERSION}-RC"
+          echo "Using search pattern: ${SEARCH_PATTERN}"
+
+          # Disable pipefail for grep, as it will exit with 1 if no match is found
+          set +o pipefail
+          # Find the highest RC number regardless of the YYMM part
+          LATEST_RC_NUM=$(echo "${API_RESPONSE}" | jq -r '.[] | .tags[]? | .name' | grep -E "${SEARCH_PATTERN}" | sed 's/.*-RC//' | sort -rn | head -n 1)
+          set -o pipefail
+
+          if [ -z "$LATEST_RC_NUM" ]; then
+            NEXT_RC_NUM=1
+          else
+            NEXT_RC_NUM=$((LATEST_RC_NUM + 1))
+          fi
+
+          # Create the new tag using the dynamically generated BASE_TAG and the incremented RC number
+          NEW_RC_TAG="${BASE_TAG}-RC${NEXT_RC_NUM}"
+          echo "new_rc_tag=$NEW_RC_TAG" >> $GITHUB_OUTPUT
+          echo "Found latest RC number: ${LATEST_RC_NUM:-0}"
+          echo "Calculated new RC tag: $NEW_RC_TAG"
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push backend RC image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./docker/Dockerfile.backend
+          push: true
+          tags: ${{ vars.HARBOR_HOSTNAME }}/baron_sso/backend:${{ steps.rc_calculator.outputs.new_rc_tag }}
+          provenance: false
+          sbom: false
+
+      - name: Temporarily update frontend nginx port
+        run: sed -i 's/listen 5000;/listen 80;/g' frontend/nginx.conf
+
+      - name: Build and push frontend RC image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./docker/Dockerfile.frontend
+          push: true
+          tags: ${{ vars.HARBOR_HOSTNAME }}/baron_sso/frontend:${{ steps.rc_calculator.outputs.new_rc_tag }}
+          provenance: false
+          sbom: false
diff --git a/.gitea/workflows/code_check.yml b/.gitea/workflows/code_check.yml
new file mode 100644
index 00000000..ee86b006
--- /dev/null
+++ b/.gitea/workflows/code_check.yml
@@ -0,0 +1,124 @@
+name: Code Check
+
+on:
+  workflow_dispatch:
+    inputs:
+      run_lint:
+        description: "Run linters for Go and Flutter"
+        required: true
+        type: boolean
+        default: true
+      run_backend_tests:
+        description: "Run backend Go tests"
+        required: true
+        type: boolean
+        default: true
+      run_frontend_tests:
+        description: "Run frontend Flutter tests"
+        required: true
+        type: boolean
+        default: true
+
+jobs:
+  lint:
+    if: ${{ inputs.run_lint == true }}
+    runs-on: ubuntu-latest
+    steps:
+      # 리포지토리에서 소스 코드를 체크아웃합니다.
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      # Go 언어 환경을 설정합니다.
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.25'
+
+      # Go 백엔드 코드의 정적 분석을 수행합니다.
+      - name: Lint Go backend
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.59
+          working-directory: backend
+
+      # Flutter SDK 환경을 설정합니다.
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          channel: 'stable'
+
+      # Flutter/Dart 프론트엔드 코드의 정적 분석을 수행합니다.
+      - name: Analyze Flutter frontend
+        run: |
+          cd frontend
+          flutter pub get
+          flutter analyze
+
+  backend-tests:
+    needs: lint
+    if: ${{ inputs.run_backend_tests == true }}
+    runs-on: ubuntu-latest
+    services:
+      # 통합 테스트에 사용될 Redis 서비스 컨테이너입니다.
+      # 운영 환경과 일치하도록 포트를 6399로 설정합니다.
+      redis:
+        image: redis:7-alpine
+        command: redis-server --port 6399
+        options: >
+          --health-cmd "redis-cli -p 6399 ping" --health-interval 10s --health-timeout 5s --health-retries 5
+        ports:
+          - 6399:6399
+      # 통합 테스트에 사용될 ClickHouse 서비스 컨테이너입니다.
+      clickhouse:
+        image: clickhouse/clickhouse-server:24.6
+        ports:
+          - 9000:9000
+        healthcheck:
+          test: ["CMD", "wget", "-qO-", "http://localhost:8123/ping"]
+          interval: 10s
+          timeout: 5s
+          retries: 5
+          
+    env:
+      REDIS_ADDR: localhost:6399
+      CLICKHOUSE_HOST: localhost
+      CLICKHOUSE_PORT_NATIVE: 9000
+
+    steps:
+      # 리포지토리에서 소스 코드를 체크아웃합니다.
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      # Go 언어 환경을 설정합니다.
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.25'
+
+      # 백엔드 디렉토리의 모든 Go 테스트를 실행합니다.
+      - name: Run backend tests
+        run: |
+          cd backend
+          go test -v ./...
+
+  frontend-tests:
+    needs: lint
+    if: ${{ inputs.run_frontend_tests == true }}
+    runs-on: ubuntu-latest
+    steps:
+      # 리포지토리에서 소스 코드를 체크아웃합니다.
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      # Flutter SDK 환경을 설정합니다.
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          channel: 'stable'
+
+      # 프론트엔드 디렉토리의 모든 위젯 테스트를 실행합니다.
+      - name: Run frontend tests
+        run: |
+          cd frontend
+          flutter pub get
+          flutter test
diff --git a/.gitea/workflows/production_release.yml b/.gitea/workflows/production_release.yml
new file mode 100644
index 00000000..47bcb6ec
--- /dev/null
+++ b/.gitea/workflows/production_release.yml
@@ -0,0 +1,133 @@
+name: Release Baron SSO to Production
+
+on:
+  workflow_dispatch:
+    inputs:
+      rc_version_tag:
+        description: "The version tag to release to production (e.g., v1.2601.1-RC1)"
+        required: true
+        type: string
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Login to Harbor Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ vars.HARBOR_ENDPOINT }}
+          username: ${{ vars.HARBOR_ROBOT_ACCOUNT }}
+          password: ${{ secrets.HARBOR_ROBOT_KEY }}
+
+      - name: Parse RC and re-tag to final
+        id: retag
+        env:
+          HARBOR_HOSTNAME: ${{ vars.HARBOR_HOSTNAME }}
+          HARBOR_USER: ${{ vars.HARBOR_ROBOT_ACCOUNT }}
+          HARBOR_PASSWORD: ${{ secrets.HARBOR_ROBOT_KEY }}
+        run: |
+          BASE_TAG=$(echo "${{ github.event.inputs.rc_version_tag }}" | xargs)
+
+          if [[ ! "$BASE_TAG" =~ ^v[0-9]+\.[0-9]{4}\.[0-9]+-RC[0-9]+$ ]]; then
+            echo "::error::rc_version_tag must look like vX.YYMM.Z-RC## (got: $BASE_TAG)"
+            exit 1
+          fi
+          RE_TAG="${BASE_TAG%-RC*}"
+          echo "Final tag will be: ${RE_TAG}"
+
+          if ! command -v skopeo >/dev/null 2>&1; then
+            sudo apt-get update -y && sudo apt-get install -y skopeo
+          fi
+
+          # Re-tag backend image
+          echo "Re-tagging backend image..."
+          skopeo copy --preserve-digests \
+                      --src-creds "${HARBOR_USER}:${HARBOR_PASSWORD}" --dest-creds "${HARBOR_USER}:${HARBOR_PASSWORD}" \
+                      --src-tls-verify=false --dest-tls-verify=false \
+                      "docker://${HARBOR_HOSTNAME}/baron_sso/backend:${BASE_TAG}" "docker://${HARBOR_HOSTNAME}/baron_sso/backend:${RE_TAG}"
+
+          # Re-tag frontend image
+          echo "Re-tagging frontend image..."
+          skopeo copy --preserve-digests \
+                      --src-creds "${HARBOR_USER}:${HARBOR_PASSWORD}" --dest-creds "${HARBOR_USER}:${HARBOR_PASSWORD}" \
+                      --src-tls-verify=false --dest-tls-verify=false \
+                      "docker://${HARBOR_HOSTNAME}/baron_sso/frontend:${BASE_TAG}" "docker://${HARBOR_HOSTNAME}/baron_sso/frontend:${RE_TAG}"
+
+          echo "final_image_tag=${RE_TAG}" >> "$GITHUB_OUTPUT"
+
+      - name: Setup SSH
+        uses: webfactory/ssh-agent@v0.9.0
+        with:
+          ssh-private-key: ${{ secrets.PROD_SSH_PRIVATE_KEY }}
+
+      - name: Deploy to Production
+        env:
+          IMAGE_TAG: ${{ steps.retag.outputs.final_image_tag }}
+          BACKEND_IMAGE_NAME: ${{ vars.HARBOR_HOSTNAME }}/baron_sso/backend
+          FRONTEND_IMAGE_NAME: ${{ vars.HARBOR_HOSTNAME }}/baron_sso/frontend
+          DEPLOY_PATH: ${{ vars.PROD_DEPLOY_PATH }}
+          PROD_HOST: ${{ vars.PROD_HOST }}
+          PROD_USER: ${{ vars.PROD_USER }}
+          HARBOR_ENDPOINT: ${{ vars.HARBOR_ENDPOINT }}
+          HARBOR_ROBOT_ACCOUNT: ${{ vars.HARBOR_ROBOT_ACCOUNT }}
+          HARBOR_ROBOT_KEY: ${{ secrets.HARBOR_ROBOT_KEY }}
+        run: |
+          set -euo pipefail
+          ssh-keyscan -H "${PROD_HOST}" >> ~/.ssh/known_hosts
+
+          ssh "${PROD_USER}@${PROD_HOST}" "mkdir -p '${DEPLOY_PATH}'"
+
+          # Create the main .env file for Baron SSO on the remote server
+          # Note: All values are pulled from Gitea secrets and variables
+          printf '%s\n' \
+            "APP_ENV=production" \
+            "TZ=Asia/Seoul" \
+            "DB_PORT=${{ vars.PROD_DB_PORT }}" \
+            "CLICKHOUSE_PORT_HTTP=${{ vars.PROD_CLICKHOUSE_PORT_HTTP }}" \
+            "CLICKHOUSE_PORT_NATIVE=${{ vars.PROD_CLICKHOUSE_PORT_NATIVE }}" \
+            "CLICKHOUSE_USER=${{ vars.PROD_CLICKHOUSE_USER }}" \ 
+            "CLICKHOUSE_PASSWORD=${{ secrets.PROD_CLICKHOUSE_PASSWORD }}" \
+            "BACKEND_PORT=${{ vars.PROD_BACKEND_PORT }}" \
+            "FRONTEND_PORT=${{ vars.PROD_FRONTEND_PORT }}" \
+            "DB_USER=${{ vars.PROD_DB_USER }}" \
+            "DB_PASSWORD=${{ secrets.PROD_DB_PASSWORD }}" \
+            "DB_NAME=${{ vars.PROD_DB_NAME }}" \
+            "COOKIE_SECRET=${{ secrets.PROD_COOKIE_SECRET }}" \
+            "JWT_SECRET=${{ secrets.PROD_JWT_SECRET }}" \
+            "REDIS_ADDR=${{ vars.PROD_REDIS_ADDR }}" \
+            "DESCOPE_PROJECT_ID=${{ vars.DESCOPE_PROJECT_ID }}" \
+            "DESCOPE_MANAGEMENT_KEY=${{ secrets.DESCOPE_MANAGEMENT_KEY }}" \
+            "NAVER_CLOUD_ACCESS_KEY=${{ secrets.NAVER_CLOUD_ACCESS_KEY }}" \
+            "NAVER_CLOUD_SECRET_KEY=${{ secrets.NAVER_CLOUD_SECRET_KEY }}" \
+            "NAVER_CLOUD_SERVICE_ID=${{ vars.NAVER_CLOUD_SERVICE_ID }}" \
+            "NAVER_SENDER_PHONE_NUMBER=${{ vars.NAVER_SENDER_PHONE_NUMBER }}" \
+            "AWS_REGION=${{ vars.AWS_REGION }}" \
+            "AWS_ACCESS_KEY_ID=${{ secrets.AWS_ACCESS_KEY_ID }}" \
+            "AWS_SECRET_ACCESS_KEY=${{ secrets.AWS_SECRET_ACCESS_KEY }}" \
+            "AWS_SES_SENDER=${{ vars.AWS_SES_SENDER }}" \
+            "FRONTEND_URL=${{ vars.PROD_FRONTEND_URL }}" \
+            "BACKEND_URL=${{ vars.PROD_BACKEND_URL }}" \
+            > .env
+
+          # Copy compose template and .env file to the remote server
+          scp docker/docker-compose.template.yaml .env "${PROD_USER}@${PROD_HOST}:${DEPLOY_PATH}/"
+          scp docker/compose.infra.prd.yaml "${PROD_USER}@${PROD_HOST}:${DEPLOY_PATH}/compose.infra.yml"
+
+          # Deploy Baron SSO
+          echo "${HARBOR_ROBOT_KEY}" | ssh "${PROD_USER}@${PROD_HOST}" \
+            "export DEPLOY_PATH='${DEPLOY_PATH}'; \
+             export BACKEND_IMAGE_NAME='${BACKEND_IMAGE_NAME}'; \
+             export FRONTEND_IMAGE_NAME='${FRONTEND_IMAGE_NAME}'; \
+             export IMAGE_TAG='${IMAGE_TAG}'; \
+             export HARBOR_ENDPOINT='${HARBOR_ENDPOINT}'; \
+             export HARBOR_ROBOT_ACCOUNT='${HARBOR_ROBOT_ACCOUNT}'; \
+             set -e; \
+             cd \"\${DEPLOY_PATH}\"; \
+             read HARBOR_ROBOT_KEY_FROM_STDIN; \
+             echo \"\${HARBOR_ROBOT_KEY_FROM_STDIN}\" | docker login \"\${HARBOR_ENDPOINT}\" -u \"\${HARBOR_ROBOT_ACCOUNT}\" --password-stdin; \
+             envsubst < docker-compose.template.yaml > docker-compose.yml; \
+             docker compose -f compose.infra.yml -f docker-compose.yml pull; \
+             docker compose -f compose.infra.yml -f docker-compose.yml up -d --remove-orphans"